Thermarest Saros 0F/-18C Sleeping Bag

The Therm-a-Rest Saros 0°F (-18°C) Sleeping Bag is a high-performance cold-weather sleeping bag designed for backpacking, mountaineering, and shoulder-season camping in harsh conditions. Built for warmth and reliability, it is engineered to keep users comfortable in freezing temperatures commonly encountered in Alaska and high-altitude environments.

Synthetic insulation ensures dependable performance in wet or variable weather, while the durable shell materials provide long-lasting protection in demanding outdoor use. Designed with comfort and thermal efficiency in mind, the Saros is a trusted choice for cold-weather expeditions and extended backcountry trips.

Features

• Rated to 0°F / -18°C for cold-weather use
• Synthetic insulation for reliable warmth in wet conditions
• Draft collar and hood for heat retention
• Durable and packable design for backcountry travel
• Designed for expedition and shoulder-season use